EP0397081A2 - Procédé de préparation de polymère - Google Patents
Procédé de préparation de polymère Download PDFInfo
- Publication number
- EP0397081A2 EP0397081A2 EP90108558A EP90108558A EP0397081A2 EP 0397081 A2 EP0397081 A2 EP 0397081A2 EP 90108558 A EP90108558 A EP 90108558A EP 90108558 A EP90108558 A EP 90108558A EP 0397081 A2 EP0397081 A2 EP 0397081A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- polymerization
- group
- preparation
- polymer
- amine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Definitions
- This invention relates to a process for preparation of a polymer by improved cationic polymerization of cationically polymerizable vinyl monomer. More detailedly, this invention relates to a process for preparing a polymer, block copolymer, end-functional polymer or macromonomer having a narrow molecular weight distribution, an optionally controlled molecular weight over a wide range from a low molecular weight to a high molecular weight, and an optionally controlled end structure by cationic polymerization in a controlled reaction rate.
- Living polymerization does not cause chain transfer reaction and termination reaction, and the control of molecular weight is easy, synthesis of block copolymer is possible, a copolymer having a narrow molecular weight distribution is obtained and control of polymerization rate is also possible.
- various trials have been made to find a living polymerization system in cationic polymerization.
- Kennedy et al. (EP 206756 and EP 265053) showed by polymerizing olefin monomer such as isobutylene using organic carboxylic acid, ester or ether in combination of Lewis acid that cationic living polymerization is also possible in olefin monomer.
- olefin monomer such as isobutylene
- this method had many disadvantage for industrial application.
- Kennedy et al. uses boron trichloride as Lewis acid, by choice, having a small polymerization activity.
- Lewis acid having a strong polymerization activity is used, various side reactions take place and thus control of molecular weight of the polymer becomes difficult.
- titanium tetrachloride having a large polymerization activity is used, control of molecular weight of the polymer and of the polymerization rate is difficult.
- polymerization rate is generally largely influenced by the dissociation state of ion pair of growing species in cationic polymerization, and thus polymerization rate lowers when nonpolar solvent such as butane or pentane is used wherein ionic pair does not dissociate. Therefore, when boron trichloride, which has a small polymerization activity, is used as Lewis acid, polymerization does not proceed unless polar solvent such as methyl chloride is used as solvent.
- U.S. Patent No. 4,870,144 discloses that living cationic polymerization is carried out in a particular mixed solvent.
- this method has the same disadvantages as in that of Kennedy et al., and cannot be regarded as a process of preparation of a polymer wherein molecular weight control is easy.
- the object of this invention lies in providing a process capable of obtaining, in polymerization of cationically polymerizable vinyl monomer, polymer wherein control of its molecular weight over a wide range and control of its end structure are possible and moreover which has a narrow molecular weight distribution, in an optional polymerization rate.
- the present inventors have found that the above object of the present invention can be accomplished by polymerizing cationically polymerizable vinyl monomer in the presence of amine using a initiator system consisting of organic compound having particular functional group and Lewis acid, and that a block copolymer can be synthesized by successively adding another vinyl monomer to the polymerization solution after completion of the first stage polymerization.
- initiator compound examples of organic compound having a functional group shown in the formula (1) (hereinafter referred to as initiator compound) are set forth below.
- halogen compound examples include 2-chloro-2-phenylpropane, bis(2-chloro-2-propyl)benzene, tris(2-chloro-2-propyl)benzene, bis(2-chloro-2-propyl)-t-butylbenzene, bis(2-chloro-2-propyl)bisphenyl, bis(2-chloro-2-propyl)phenanthrene, bis((2-chloro-2-propyl)phenyl)ethane, bis((2-chloro-2-propyl)phenyl)propane, 2-chloro-2,4,4-trimethylpentane, 2,4,4,6-tetramethyl-2,6-dichloroheptane, 2,4,6-trimethyl-2,4,6-trichloroheptane, 2,4-dimethyl-2,4-dichloropentane, 2,5-dimethyl-2,5-dichlorohexane,
- Examples of comound having alkoxy group include 2-methoxy-2-phenylpropane, bis(2-methoxy-2-propyl)benzene, tris(2-methoxy-2-propyl)benzene, bis(2-methoxy-2-propyl)-t-butylbenzene, bis(2-methoxy-2-propyl)bisphenyl, bis(2-methoxy-2-propyl)phenanthrene, bis(2-methoxy-2-propyl)phenylethane, bis(2-methoxy-2-propyl)phenylpropane, 2,4,4-trimethyl-2-methoxypentane, 2,4,4,6-tetramethyl-2,6-dimethoxyheptane, 2,4,6-trimethyl-2,4,6-trimethoxyheptane, 2,4-dimethyl-2,4-dimethoxypentane, 2,5-dimethyl-2,5-dimethoxyhexane
- Examples of compound having acyloxy group include 2-acetoxy-2-phenylpropane, bis(2-acetoxy-2-propyl)benzene, tris(2-acetoxy-2-propyl)benzene, bis(2-acetoxy-2-propyl)-t-butylbenzene, bis(2-acetoxy-2-propyl)biphenyl, bis(2-acetoxy-2-propyl)phenanthrene, bis(2-acetoxy-2-propyl)phenylethane, bis(2-acetoxy-2-propyl)phenylpropane, 2,4,4-trimethyl-2-acetoxypentane, 2,4,4,6-tetramethyl-2,6-diacetoxyheptane, 2,4,6-trimethyl-2,4,6-triacetoxyheptane, 2,4-dimethyl-2,4-diacetoxypentane, 2,5-dimethyl-2,5-diacetoxyhe
- organic compounds comprising functional group represented by the formula (1) and t-butyl, phenyl or biphenyl group.
- metal halide can be used as Lewis acid, and specific examples thereof include BCl3, BF3, BF3OEt2, TiCl4, SnCl4, AlCl3, AlRCl2, AlR2Cl (R represents a lower alkyl group having 1 to 5 carbon atoms), SbCl5, SbF5, WCl6, TaCl5, etc.
- amines ammonia, aliphatic and aromatic primary, secondary and tertiary amine compounds. Specific examples are set forth below.
- aliphatic primary amine examples include methylamine, ethylamine, propylamine, butylamine, pentylamine, hexylamine, heptylamine, octylamine, cyclohexylamine, vinylamine, allylamine, ethylenediamine, propylenediamine, trimethylenediamine, tetramethylenediamine, pentamethylenediamine, hexamethylenediamine, cyclohexylenediamine, etc.
- aliphatic secondary amine examples include dimethylamine, diethylamine, dipropylamine, dibutylamine, methylethylamine, ethylbutylamine, dicyclohexylamine, etc.
- aliphatic tertiary amine examples include trimethylamine, triethylamine, tripropylamine, tributylamine, diethylmethylamine, dipropylethylamine, dimethylhexylamine, dimethyloctylamine, dimethylcyclohexylamine, diethylcyclohexylamine, dicyclohexylethylamine, quinuclidine, etc.
- amines examples include aniline, N-methylaniline, N-ethylaniline, N,N-dimethylaniline, N,N-diethylaniline, N-methyl-N-ethylaniline, N,N-dimethylbenzylaniline, vinylaniline, toluidine, xylidine, benzylamine, dibenzylamine, N-ethylbenzylamine, diphenylamine, triphenylamine, piperidine, methylpiperidine, ethylpiperidine, dipiperidinomethane, pyrrolidine, methylpyrrolidine, butylpyrrolidine, indole, methylindole, methylpiperazine, dimethylpiperazine, pyrrole, methylpyrrole, carbazole, methylcarbazole, ethylcarbazole, phenylenediamine, biphenylamine, benzidine, naphthylamine, methyl
- Examples of cationically polymerizable vinyl monomer include isobutylene, propylene, 1-butene, 2-butene, 2-methyl-1-butene, 3-methyl-1-butene, pentene, 4-methyl-1-pentene, hexene, vinylcyclohexane, styrene, methylstyrene, t-butylstyrene, monochlorostyrene, dichlorostyrene, methoxystyrene, ⁇ -methylstyrene, ⁇ -methylstyrene, dimethylstyrene, butadiene, isoprene, cyclopentadiene, methyl vinyl ether, ethyl vinyl ether, isobutyl vinyl ether, methyl propenyl ether, ethyl propenyl ether, ⁇ -pinene, indene, acenaphthylene, etc.
- Use rate of the initiator compound, Lewis acid, amine and vinyl monomer is as follows. It is necessary that the amount of Lewis acid is equimolar or more based on mole number (hereinafter referred to as functional group concentration) of the functional group of the formula (1) playing a role of the initiation point of polymerization in the initiator compound, and mole number of the amine, respectively.
- Lewis acid is used preferivelyably in an amount of 1 to 100 times, in molar ratio, to the functional group concentration in the initiator compound
- Amine is used preferably in an amount of 0.01 to 100 times, in molar ratio, to the functional group concentration in the initiator compound.
- a condition that amine is used in an amount larger than that of Lewis acid is not preferred because in such a condition polymerization rate is very low.
- Vinyl monomer is used in an amount of 5 to 10,000 times, preferably 20 to 5,000 times, in molar ratio, to the functional group concentration in the initiator compound.
- Organic acid used in this invention is not particularly limited so long as it does not have a bad influence on polymerization activity of the initiator system.
- examples thereof include aliphatic organic solvents such as butane, pentane, hexane and heptane; aromatic organic solvents such as benzene, toluene and xylene; nitro compounds such as nitromethane and nitroethane; and halogenated organic solvents; and mixed solvents thereof.
- Polymerization temperature is not particularly limited so long as it is -120 to 50 °C, and preferably -100 to 20 °C.
- Polymerization time is not particularly limited. Polymerization time (polymerization rate) can be controlled by amount of the initiator compound, Lewis acid and amine.
- Molecular weight can be controlled by the ratio of concentration of the initiator compound to concentration of the vinyl compound.
- a block copolymer by adding one cationically polymerizable vinyl monomer, initiator compound, Lewis acid and amine in the polymerization system to complete the polymerization substantially and followed by adding another cationically polymerizable vinyl monomer to the system to carry out a further polymerization.
- a polymer having a narrow molecular weight distribution and having controlled molecular weight and end structure can be prepared in a controlled polymerization rate, in comparison to the usual techniques.
- a block copolymer whose molecular weight is optionally controlled can be provided by successively polymerization of at least two different vinyl monomers according to the process of this invention. Further, it is possible by adding the compound having functional groups which react with the growing carbenium ion to introduce functional group at the terminal of the polymer.
- Mn Number average molecular weight (Mn) and Mw/Mn (Mw is weight average molecular weight) were determined by GPC (HLC-8020 produced by Toso Co., Ltd.).
- Theoretical molecular weight (M.W. calcd.) was calculated according to the following equation in case that all the initiator molecules effectively worked and moreover a chain transfer reaction and a termination reaction did not occur during the polymerization.
- conv. (%) is polymerization conversion. Results were shown in Table 1.
- Table 1 Example Polymerization time (hours) conv. (%) Mn (M.W. calcd.) x 10 ⁇ 4 Mw/Mn 1 0.5 25 2.1 (2.1) 1.14 1 38 3.4 (3.2) 1.11 2 67 5.5 (5.6) 1.12 5 94 6.7 (7.9) 1.19
- Example 2 With the same procedures as in Example 1, the polymerization for the predetermined time was carried out except that 0.52 g of styrene was used in place of isobutylene as vinyl monomer. Results are shown in Table 3. Table 3 Example Polymerization time (hours) conv. (%) Mn (M.W. calcd.) x 10 ⁇ 4 Mw/Mn 3 0.5 46 2.2 (2.4) 1.39 1 75 3.3 (3.9) 1.36 2 92 4.2 (4.8) 1.43 4 100 5.4 (5.2) 1.76
- Isobutylene polymerizations were carried out with TiCl4 and triethylamine for the predetermined times 1 except without triethylamine. Results are shown in using the same procedures as in Example 1 except without triethylamine. Results are shown in Table 7. Table 7 Comparative example Polymerization time (hours) conv. (%) Mn x 10 ⁇ 4 Mw/Mn 5 1 4 5.6 2.98 6 5 5 5.5 3.40
- Isobutylene (IB) 1.67 g (30 mmol), 6.9 mg (30 ⁇ mol) of bis(2-chloro-2-propyl)benzene (DiCumCl), 7.6 g (75 ⁇ mol) of triethylamine, 13 ml of methylene chloride and 13 ml of n-hexane were placed in a glass vessel under a dry nitrogen atmosphere, and cooled to -55 °C. Then, the polymerization was started by the addition of 0.9 ml (TiCl4 0.9 mmol) of 1.0 molar solution of TiCl4 in methylene chloride/n-hexane (volume ratio 1/1) previously cooled to -55 °C.
- (1) represents the molecular weight isobutylene homopolymer and (2) represetns the molecular weight of block copolymer.
- Table 11 Example Before or after addition of styrene Yield (%) IB conv. ST conv. Mn(M.W.calcd.) x 10 ⁇ 4 Mw/Mn (%) 14 Before - 100 - (1) 5.4 (5.6) 1.18 After 1.97 - 100 (2) 6.1 (6.6) 1.23
- IB-ST block copolymer Polymerization of IB-ST block copolymer was carried out increasing the amount of isobutylene (IB) to 2.90 g (52 mmol) and that of styrene (ST) to 0.50 g (4.8 mmol) according to the same conditions and procedures as in Example 14. Results are indicated in Table 12.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Graft Or Block Polymers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP114566/89 | 1989-05-08 | ||
JP11456689 | 1989-05-08 | ||
JP25456589 | 1989-09-29 | ||
JP254565/89 | 1989-09-29 | ||
JP2080639A JPH0759601B2 (ja) | 1989-05-08 | 1990-03-30 | 重合体の製造方法 |
JP80639/90 | 1990-03-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0397081A2 true EP0397081A2 (fr) | 1990-11-14 |
EP0397081A3 EP0397081A3 (fr) | 1992-02-12 |
Family
ID=27303356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900108558 Withdrawn EP0397081A3 (fr) | 1989-05-08 | 1990-05-07 | Procédé de préparation de polymère |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0397081A3 (fr) |
JP (1) | JPH0759601B2 (fr) |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993002110A1 (fr) * | 1991-07-15 | 1993-02-04 | Exxon Chemical Patents Inc. | Procede de polymerisation carbocationique ''vive'' |
WO1995006671A1 (fr) * | 1993-09-03 | 1995-03-09 | Exxon Chemical Patents, Inc. | Catalyseurs carbocationiques et leur procede d'utilisation |
WO1995009190A1 (fr) * | 1993-09-28 | 1995-04-06 | Exxon Chemical Patents Inc. | Catalyseur carbocationique et son procede d'utilisation |
EP0695767A1 (fr) * | 1994-07-28 | 1996-02-07 | Bayer Ag | Préparation de caoutchoucs alkyliques en C4-C16 pour un procédé en suspension |
WO1996015156A2 (fr) * | 1994-11-07 | 1996-05-23 | Exxon Chemical Patents Inc. | Catalyseurs carbocationiques et procede d'utilisation desdits catalyseurs |
EP0713883A1 (fr) * | 1994-06-09 | 1996-05-29 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Procede de production d'un polymere d'isobutene |
BE1008739A3 (fr) * | 1994-01-12 | 1996-07-02 | Kanegafuchi Chemical Ind | Procede de preparation d'un polymere d'isobutylene. |
EP0722957A1 (fr) * | 1995-01-17 | 1996-07-24 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Polymère d'isobutylène et procédé de sa préparation |
EP0752429A1 (fr) * | 1994-03-18 | 1997-01-08 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Procede d'isolement d'un polymere d'isobutylene |
US5721331A (en) * | 1995-03-08 | 1998-02-24 | Kuraray Co., Ltd. | Isobutylene-based polymer and process of producing the same |
US6515083B2 (en) * | 1998-04-07 | 2003-02-04 | Kaneka Corporation | Process for producing isobutylene block copolymer |
EP1489109A3 (fr) * | 2003-06-19 | 2005-04-06 | Chevron Oronite Company LLC | Polymères cationiques téléchéliques vivants et quasi-vivants désactivés par du pyrrole N-substitué et leurs méthodes de préparation |
US7705090B2 (en) | 2004-08-20 | 2010-04-27 | Chevron Oronite Company Llc | Method for preparing polyolefins containing a high percentage of exo-olefin chain ends |
US7709580B2 (en) | 2004-08-20 | 2010-05-04 | Chevron Oronite Company Llc | Method for preparation of polylefins containing exo-olefin chain ends |
US8133954B2 (en) | 2008-10-22 | 2012-03-13 | Chevron Oronite Company Llc | Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides |
US8394898B2 (en) | 2009-07-31 | 2013-03-12 | The University Of Southern Mississippi | In situ formation of hydroxy chain end functional polyolefins |
US8552122B2 (en) | 2009-03-31 | 2013-10-08 | The University Of Southern Mississippi | Amine-terminated telechelic polymers and precursors thereto and methods for their preparation |
US8597561B2 (en) | 2009-09-18 | 2013-12-03 | Sumitomo Rubber Industries, Ltd. | Method for producing pneumatic tire |
CN103946249A (zh) * | 2011-09-12 | 2014-07-23 | 日本瑞翁株式会社 | 共轭二烯聚合物及其制造方法 |
US9187581B2 (en) | 2010-06-10 | 2015-11-17 | Chevron Oronite Company Llc | Methods for producing telechelic polyolefins from terpene initiators |
US9259969B2 (en) | 2012-09-11 | 2016-02-16 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire including inner liner |
US9346227B2 (en) | 2010-11-05 | 2016-05-24 | Sumitomo Rubber Industries, Ltd. | Strip, method for manufacturing the same, and method for manufacturing pneumatic tire |
US9650449B2 (en) | 2009-01-16 | 2017-05-16 | The University Of Southern Mississippi | Functionalization of polyolefins with phenoxy derivatives |
US9676234B2 (en) | 2010-12-06 | 2017-06-13 | Sumitomo Rubber Industries, Ltd. | Strip, method for manufacturing the same, and method for manufacturing pneumatic tire |
US9855798B2 (en) | 2011-07-28 | 2018-01-02 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
US10272721B2 (en) | 2012-08-01 | 2019-04-30 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire including inner liner |
Families Citing this family (13)
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US5708103A (en) * | 1995-02-01 | 1998-01-13 | Kuraray Co., Ltd. | Process for producing a polymer of vinylic compounds |
JP4831706B2 (ja) | 2009-09-04 | 2011-12-07 | 住友ゴム工業株式会社 | ポリマー積層体およびそれをインナーライナーに用いた空気入りタイヤ |
JP4888868B2 (ja) | 2009-09-08 | 2012-02-29 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP5300679B2 (ja) | 2009-09-30 | 2013-09-25 | 住友ゴム工業株式会社 | インナーライナー用ポリマー組成物およびそれを用いた空気入りタイヤ |
US8592527B2 (en) | 2010-06-14 | 2013-11-26 | University Of Southern Mississippi | Vinyl ether end-functionalized polyolefins |
JP5243512B2 (ja) | 2010-06-29 | 2013-07-24 | 住友ゴム工業株式会社 | 空気入りタイヤの製造方法および空気入りタイヤ |
JP5330350B2 (ja) | 2010-07-07 | 2013-10-30 | 住友ゴム工業株式会社 | インナーライナー用ポリマーシートおよびそれを用いた空気入りタイヤ |
EP2415617B1 (fr) | 2010-07-30 | 2014-05-14 | Sumitomo Rubber Industries, Ltd. | Feuille en polymère pour revêtement interne, stratifié en polymère pour revêtement interne et pneu |
RU2013110031A (ru) | 2010-08-25 | 2014-09-27 | Сумитомо Раббер Индастриз,Лтд. | Пневматическая шина и способ ее получения и диафрагма для вулканизации шины |
JP4944239B1 (ja) | 2010-11-17 | 2012-05-30 | 住友ゴム工業株式会社 | 空気入りタイヤの製造方法 |
RU2013149326A (ru) | 2011-05-13 | 2015-11-10 | Сумитомо Раббер Индастриз, Лтд. | Пневматическая шина |
US8969484B2 (en) | 2011-07-08 | 2015-03-03 | Chevron Oronite Company Llc | Methods of producing mono- and multi-functional polymers from terpene-based initiators |
JP6483771B1 (ja) | 2017-08-30 | 2019-03-13 | 住友ゴム工業株式会社 | 空気入りタイヤ |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4946899A (en) * | 1988-12-16 | 1990-08-07 | The University Of Akron | Thermoplastic elastomers of isobutylene and process of preparation |
-
1990
- 1990-03-30 JP JP2080639A patent/JPH0759601B2/ja not_active Expired - Fee Related
- 1990-05-07 EP EP19900108558 patent/EP0397081A3/fr not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4946899A (en) * | 1988-12-16 | 1990-08-07 | The University Of Akron | Thermoplastic elastomers of isobutylene and process of preparation |
Non-Patent Citations (1)
Title |
---|
JOURNAL OF MACROMOLECULAR SIENCE-CHEMISTRY, vol. A18, no. 1, 1982 MARCEL DEKKER INC., New York, J.P. KENNEDY et al. pages 1-152 * |
Cited By (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5451647A (en) * | 1991-07-15 | 1995-09-19 | Exxon Chemical Patents Inc. | Living carbocationic polymerization process |
WO1993002110A1 (fr) * | 1991-07-15 | 1993-02-04 | Exxon Chemical Patents Inc. | Procede de polymerisation carbocationique ''vive'' |
WO1995006671A1 (fr) * | 1993-09-03 | 1995-03-09 | Exxon Chemical Patents, Inc. | Catalyseurs carbocationiques et leur procede d'utilisation |
WO1995009190A1 (fr) * | 1993-09-28 | 1995-04-06 | Exxon Chemical Patents Inc. | Catalyseur carbocationique et son procede d'utilisation |
BE1008739A3 (fr) * | 1994-01-12 | 1996-07-02 | Kanegafuchi Chemical Ind | Procede de preparation d'un polymere d'isobutylene. |
EP0752429A4 (fr) * | 1994-03-18 | 1998-03-18 | Kanegafuchi Chemical Ind | Procede d'isolement d'un polymere d'isobutylene |
EP0752429A1 (fr) * | 1994-03-18 | 1997-01-08 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Procede d'isolement d'un polymere d'isobutylene |
EP0713883A4 (fr) * | 1994-06-09 | 1996-11-20 | Kanegafuchi Chemical Ind | Procede de production d'un polymere d'isobutene |
EP0713883A1 (fr) * | 1994-06-09 | 1996-05-29 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Procede de production d'un polymere d'isobutene |
EP0695767A1 (fr) * | 1994-07-28 | 1996-02-07 | Bayer Ag | Préparation de caoutchoucs alkyliques en C4-C16 pour un procédé en suspension |
US5539065A (en) * | 1994-07-28 | 1996-07-23 | Bayer Ag | Process for the production of C4 -C16 alkyl rubbers using the slurry process |
WO1996015156A3 (fr) * | 1994-11-07 | 1996-10-24 | Exxon Chemical Patents Inc | Catalyseurs carbocationiques et procede d'utilisation desdits catalyseurs |
WO1996015156A2 (fr) * | 1994-11-07 | 1996-05-23 | Exxon Chemical Patents Inc. | Catalyseurs carbocationiques et procede d'utilisation desdits catalyseurs |
EP0722957A1 (fr) * | 1995-01-17 | 1996-07-24 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Polymère d'isobutylène et procédé de sa préparation |
US5777037A (en) * | 1995-01-17 | 1998-07-07 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Process for producing isobutylene polymer |
US5721331A (en) * | 1995-03-08 | 1998-02-24 | Kuraray Co., Ltd. | Isobutylene-based polymer and process of producing the same |
US6515083B2 (en) * | 1998-04-07 | 2003-02-04 | Kaneka Corporation | Process for producing isobutylene block copolymer |
EP1489109A3 (fr) * | 2003-06-19 | 2005-04-06 | Chevron Oronite Company LLC | Polymères cationiques téléchéliques vivants et quasi-vivants désactivés par du pyrrole N-substitué et leurs méthodes de préparation |
US6969744B2 (en) | 2003-06-19 | 2005-11-29 | University Of Southern Mississippi | Living and quasiliving cationic telechelic polymers quenched by N-substituted pyrrole and methods for their preparation |
US7576161B2 (en) | 2003-06-19 | 2009-08-18 | Chevron Oronite Company Llc | Process for preparing terminally functionalized living and quasiliving cationic telechelic polymers |
US7705090B2 (en) | 2004-08-20 | 2010-04-27 | Chevron Oronite Company Llc | Method for preparing polyolefins containing a high percentage of exo-olefin chain ends |
US8530586B2 (en) | 2004-08-20 | 2013-09-10 | Chevron Oronite Company Llc | Method for preparing polyolefins containing a high percentage of exo-olefin chain ends |
US7709580B2 (en) | 2004-08-20 | 2010-05-04 | Chevron Oronite Company Llc | Method for preparation of polylefins containing exo-olefin chain ends |
US8133954B2 (en) | 2008-10-22 | 2012-03-13 | Chevron Oronite Company Llc | Production of vinylidene-terminated and sulfide-terminated telechelic polyolefins via quenching with disulfides |
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Also Published As
Publication number | Publication date |
---|---|
EP0397081A3 (fr) | 1992-02-12 |
JPH03174403A (ja) | 1991-07-29 |
JPH0759601B2 (ja) | 1995-06-28 |
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